Answer:
ExplanationAir at 1 atm and 20°C flows tangentially on both sides of a thin, smooth flat plate of ... ... Smooth Flat Plate Of Width W = 10 Ft, And Of Length L 3 Ft In The Direction Of The Flow. The Velocity Outside The Boundary Layer Is Constant At 20 Ft/s.
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Answer:
A) Level D ( before development )
B) Level E ( After development )
Explanation:
A) Calculate the level of service before the development
First we calculate the base free flow speed ( BFFS )
= posted speed limit + 5 mi/hr.
= 50 + 5 = 55mi/hr.
Next determine free flow speed ( FFS )
= BFFS - ![f_{lw} - f_{lc} - f_{m} - f_{A}](https://tex.z-dn.net/?f=f_%7Blw%7D%20-%20f_%7Blc%7D%20%20-%20f_%7Bm%7D%20%20-%20f_%7BA%7D)
= 55 - 6.6 - 0.65 - 0 - 2.25 = 45 mi/hr.
The remaining part of the solution is attached below
The level of service = D
given that:
Vp = 1537.096 pc/hr/In
Density = 34.157 pc/mi/In
FFS = 45 mi/hr
B ) Calculate the level of service after the development
attached below is the detailed solution
The level of service = E
given that
Vp = 1816.568 pc/hr/In
Density = 40.368 pc/mi/In
FFS = 45 mi/hr
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